telecontrolli
Radio Transmitter
RT8-868.35
868.350 MHz Radio Transmitter Module with
SAW Resonator and External Antenna
General description
The RT8 is a SAW stabilized ASK (OOK) transmitter.
For a better stability and modulation it employs a two
transistor design: an oscillator and a separate power
amplifier.
The RT8 is provided by a low-pass filter to attenuate
the harmonic emissions.
CIRCUIT SCHEMATIC
Vcc
Mod. Input
Applications
+ Wireless security systems
+ Car Alarm systems
+ Remote gate controls
+ Sensor reporting
Q1
Q2
LPF
RF OUTPUT